EP3176126B1 - Füllvorrichtung für eine füllmaschine - Google Patents

Füllvorrichtung für eine füllmaschine Download PDF

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Publication number
EP3176126B1
EP3176126B1 EP15306936.4A EP15306936A EP3176126B1 EP 3176126 B1 EP3176126 B1 EP 3176126B1 EP 15306936 A EP15306936 A EP 15306936A EP 3176126 B1 EP3176126 B1 EP 3176126B1
Authority
EP
European Patent Office
Prior art keywords
channel
section portion
filling device
receptacle
filling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP15306936.4A
Other languages
English (en)
French (fr)
Other versions
EP3176126A1 (de
Inventor
Filippo Bandini
Mattia Cenci
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidel Participations SAS
Original Assignee
Sidel Participations SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sidel Participations SAS filed Critical Sidel Participations SAS
Priority to EP15306936.4A priority Critical patent/EP3176126B1/de
Priority to JP2016199729A priority patent/JP2017100805A/ja
Priority to CN201610946940.9A priority patent/CN106829836B/zh
Priority to US15/367,779 priority patent/US10370234B2/en
Publication of EP3176126A1 publication Critical patent/EP3176126A1/de
Application granted granted Critical
Publication of EP3176126B1 publication Critical patent/EP3176126B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/225—Means for filling simultaneously, e.g. in a rotary filling apparatus or multiple rows of containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/281—Profiled valve bodies for smoothing the flow at the outlet of the filling nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/06—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure
    • B67C3/10—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure preliminary filling with inert gases, e.g. carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/06—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure
    • B67C3/12—Pressure-control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/24—Devices for supporting or handling bottles
    • B67C3/242—Devices for supporting or handling bottles engaging with bottle necks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2614—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C2003/228—Aseptic features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C2003/2671—Means for preventing foaming of the liquid

Definitions

  • the present invention relates to a filling device for a filling machine apt to fill receptacles, in particular made up of plastic material, with a pourable product, in particular a still or carbonated pourable product, such as still or sparkling water, soft drinks, beverages, etc.
  • the present invention relates to a filling device suitable for operating in aseptic or ultra clean conditions.
  • a typical known filling machine used in this sector substantially comprises a carousel conveyor rotating about a vertical axis, a product tank containing the pourable product and carried centrally by the carousel conveyor, and a plurality of filling devices supported by the carousel conveyors in positions radially external with respect to the product tank, connected to the product tank through respective fluidic circuits or lines and conveyed by the carousel conveyor along a circular transfer path.
  • the carousel conveyor receives a succession of empty receptacles from an input star wheel and releases the filled receptacles to an output star wheel.
  • Each filling device basically comprises a support device, adapted to receive and retain a respective receptacle in a vertical position, and a filling valve for feeding a given volume of pourable product into the receptacle as the filling device travels along the circular transfer path by following the rotary movement imparted to the carousel conveyor.
  • An example of known filling valve is disclosed in EP-A-1411023 and basically comprises:
  • the tubular body presents a longitudinal axis parallel to the carousel conveyor axis and terminates at a lower end with an axial outlet opening adapted to contact in use a top end mouth of a receptacle to be filled.
  • the channel of the tubular body comprises a tapered-section portion located at a given axial distance from, and above, the outlet opening and tapering towards the outlet opening itself up to a minimum-diameter section. From this point down to a position close to the outlet opening, the channel comprises an axial bottom end portion having a constant diameter equal to the minimum diameter of the tapered-section portion.
  • the shutter is movable within the channel of the tubular body between a lowered closed position, in which the shutter sealingly closes the tapered-section portion of the channel itself and interrupts flowing of the pourable product towards the axial bottom end portion and the outlet opening, and a raised open position, in which the shutter delimits with the tapered-section portion an annular passage communicating with the axial bottom end portion and the outlet opening.
  • the filling valve further comprises three conduits formed within the tubular body and arranged on outer circumferences than the central channel with reference to the longitudinal axis of the filling valve:
  • the exhaust conduit is also used for pressurizing the receptacle at a desired pressure value, higher than the atmospheric pressure, prior to starting the actual filling of the receptacle itself.
  • the filling device disclosed in EP-A-1411023 has the following drawbacks.
  • the restricted passage (axial bottom end portion) connecting the tapered-section portion of the channel to the outlet opening tends to increase turbulence of the product delivered to the receptacle and to create vortices, with possible formation of undesired foam.
  • Number 1 in the enclosed Figures indicates as a whole a filling device according to the present invention, which is adapted to be incorporated in a filling machine 2 (only partially shown in Figures 1 and 2 ) in aseptic or ultra-clean conditions (known per se and not shown) for filling receptacles 3, in particular made up of plastic material, with a pourable product, in particular a pourable food product, such as a still or a carbonated beverage.
  • Filling machine 2 is typically fed with sterilised empty receptacles 3 and fills the latter with the pourable product in aseptic conditions.
  • filling machine 2 typically comprises a product tank (known per se and not shown) containing the pourable product, a carousel conveyor 4 (only partially shown in Figures 1 and 2 ) rotating about a vertical axis and protrudingly bearing on its peripheral portion a plurality of filling devices 1 (only one shown in the enclosed Figures) for filling respective receptacles 3 during rotation of the carousel conveyor 4 itself.
  • each receptacle 3 is defined by a bottle having a longitudinal axis A and which is advanced in a vertical position by the carousel conveyor 4.
  • each receptacle 3 is inferiorly bounded by a bottom wall 5, substantially perpendicular to axis A, and has a top neck 6 coaxial with the axis A itself and defining an inlet/outlet mouth for the pourable product; the neck 6 is preferably equipped with a threaded surface 7 designed to allow the closing off by a screw cap (known per se and not shown).
  • each filling device 1 comprises a filling valve 8, adapted to control feeding of the pourable product, and support means 10 adapted to support one respective receptacle 3 below the filling valve 8 and in a vertical position, in which such receptacle 3 has its neck 6 placed in contact with the filling valve 8 to receive from the latter the pourable product.
  • Valve 8 basically comprises:
  • tubular body 11 has a longitudinal axis B, parallel to the rotation axis of carousel conveyor 4, and terminates at its upper end 15 with an axial inlet opening 16, for receiving the pourable product from the product tank, and at its lower end 17 with an outlet opening 18 for feeding the pourable product to the respective receptacle 3.
  • axial inlet opening 16 of upper end 15 is directly connected to a product conduit 19 extending from the tubular body 11 to the product tank.
  • Lower end 17 of tubular body 11 is adapted to contact in use the top neck 6 of the receptacle 3 to be filled so as to put the inlet/outlet mouth of the receptacle 3 itself in direct connection with outlet opening 18.
  • lower end 17 comprises an annular gasket 20 adapted to define an abutment for the top neck 6 of the respective receptacle 3 and to sealingly close the latter during filling; in this way, the interior of the receptacle 3 is maintained in a sealed condition during filling with the pourable product.
  • support means 10 are configured to receive and retain a relative receptacle 3 in a suspended position with its axis A coaxial to axis B of the filling valve 8.
  • support means 10 comprise a gripping member 21, arranged below filling valve 8 and configured to retain a relative receptacle 3 by the neck 6, and actuator means 22 for moving the gripping member 21, and therefore the respective receptacle 3, towards and away from annular gasket 20 of lower end 17 of tubular body 11.
  • channel 12 comprises, in the vicinity of outlet opening 18, a tapered-section portion 23 located at a given axial distance from, and above, the outlet opening 18 itself and tapering towards the latter up to a narrowed-section zone 23a.
  • tapered-section portion 23 defined by a frustum-conical inner surface of tubular body 11, which tapers from an upper cylindrical inner surface 25 of the tubular body 11 itself.
  • Narrowed-section zone 23a represents the minimum-diameter zone of tapered-section portion 23.
  • shutter 13 is coaxially mounted within channel 12 of tubular body 11 and comprises a substantially cylindrical main portion 27, sliding within the tubular body 11 itself, and a pointed closing head 28, axially protruding from main portion 27 and configured to cooperate in a fluid-tight manner with tapered-section portion 23 of channel 12.
  • closing head 28 terminates with a conical surface, which is complementary to the inner frustum-conical surface of tubular body 11 defining tapered-section portion 23 and is configured to cooperate in use with such surface to sealingly close fluidic connection of filling valve 8 with the respective receptacle 3.
  • the conical surface of closing head 28 is provided with an annular gasket 28a directly contacting in use the surface of tubular body 11 delimiting tapered-section portion 23 of channel 12.
  • Shutter 13 is movable within channel 12 between a lowered closed position ( Figures 1 , 2 , 3 and 5 ), in which the shutter 13 sealingly closes the tapered-section portion 23 of the channel 12 itself and interrupts flowing of the pourable product towards the outlet opening 18, and a raised open position ( Figure 4 ), in which the shutter 13 delimits with the tapered-section portion 23 an annular passage 29 communicating with the outlet opening 18.
  • main portion 27 of shutter 13 comprises at least one permanent-magnet unit 30 magnetically coupled with at least one permanent-magnet unit 31 of actuator means 14.
  • permanent-magnet unit 30 comprises at least two permanent magnets 30a arranged adjacent to one another with identical magnetic poles facing axially.
  • the permanent magnets 30a are conveniently incorporated within main portion 27 of shutter 13.
  • permanent-magnet unit 31 comprises at least two permanent magnets 31a arranged adjacent to one another with identical magnetic poles facing axially, and oriented, with respect to the permanent magnets 30a of shutter 13, with different magnetic poles reciprocally facing radially.
  • permanent-magnet unit 31 also comprises a cylindrical casing 31b internally housing permanent magnets 31a.
  • Actuator means 14 comprise, in a known manner, a magnetic movable member 32, coaxially coupled in a sliding manner onto an outer surface 33 of tubular body 11 and provided with the permanent-magnet unit 31, and a driving linear actuator (know per se and not shown) for displacing movable member 32 and, through magnetic attraction, shutter 13 along axis B.
  • tubular body 11 also defines:
  • exhaust conduit 35 is used for exhausting the gas, typically air and/or CO 2 , present within the interior of the receptacle 3 during filling, when the latter is carried out in a sealed condition.
  • Pressurizing conduit 40 is used for pressurizing the receptacle 3 to be filled at a pressure higher than the atmospheric pressure; this conduit is typically used for receptacles 3 to be filled with a carbonated liquid.
  • Decompression conduit 45 is used for depressurizing the filled receptacle 3 at the end of filling; even this conduit is typically used for receptacles 3 filled under pressure with a carbonated liquid.
  • Conduits 35, 40 and 45 are all formed within tubular body 11 and are all distinct from one another.
  • Each one of these conduits 35, 40, 45 is arranged on one side of channel 12 and on an outer circumference than channel 12 with reference to axis A. More specifically and as clearly visible in Figure 9 , all these conduits 35, 40, 45 are arranged on a common outer circumference C than the channel 12 with reference to axis B.
  • channel 12 of tubular body 11 also comprises an enlarged-section portion 50 ( Figures 3 to 5 and 9 ) located immediately below tapered-section portion 23, having a larger diameter than narrowed-section zone 23a with reference to axis B and defining an expansion chamber 51 also receiving bottom end openings of respective conduits 35, 40, 45.
  • all conduits 35, 40, 45 are arranged on circumference C around channel 12 and axis B.
  • expansion chamber 51 extends from axis B up to the circumference C, on which conduits 35, 40, 45 are located.
  • the diameter of enlarged-section portion 50 of channel 12 is preferably constant along the entire axial height of the enlarged-section portion 50 itself.
  • Channel 12 further comprises a reduced-section end portion 55 connecting enlarged-section portion 50 to outlet opening 18 and having a smaller diameter than the enlarged-section portion 50 itself.
  • the diameter of the reduced-section portion 55 of channel 12 decreases towards outlet opening 18.
  • filling device 1 Operation of filling device 1 will now be described with reference to one receptacle 3 and as of the instant in which such receptacle 3 is fed to filling machine 2 in order to be filled with a pourable product.
  • the receptacle 3 is retained at its neck 6 by the gripping member 21 in a vertical position, i.e. with its axis A coaxial to the axis B of the filling valve 8 and its neck 6 located in an upper position than its bottom wall 5 ( Figures 2 and 3 ).
  • the receptacle 3 may be also supported at its bottom wall 5 by a respective lower support plate (not shown).
  • shutter 13 of filling valve 8 is set in the lowered closed position within channel 12 of tubular body 11 of filling valve 8.
  • all valves 37, 42, 47 of exhaust circuit 36, pressurization circuit 40 and decompression circuit 46 are set in a closed condition.
  • the first step to perform is to couple the receptacle 3 to the tubular body 11 in a fluid-tight manner. This can be achieved by activating actuator means 22 so as to raise the gripping member 21 towards the filling valve 8 up to bring the neck 6 of the receptacle 3 into contact with the gasket 20 of lower end 17 of tubular body 11.
  • valve 41 of pressurization circuit 40 is opened and is maintained in that condition up to the moment in which pressure in the receptacle 3 reaches a desired pressure value, which depends on the particular type of product to be delivered and may amount up to 6 bar; this desired pressure value corresponds to the pressure of the product in the product tank and defines the requested condition for starting the filling operation. Then, the valve 41 is closed.
  • the shutter 13 is then moved to its raised open position ( Figure 4 ), in which it allows flow of the pourable product through annular passage 29 towards the receptacle 3.
  • This movement is achieved by activating the linear actuator controlling magnetic movable member 32; by effect of the magnetic coupling between shutter 13 and magnetic movable member 32, the translating motion of this latter member determines a corresponding axial translating motion of the shutter 13 within channel 12 of tubular body 11.
  • valve 37 of exhaust circuit 36 is opened, so that the gas present in the receptacle 3 is discharged during the filling with the pourable product.
  • This step ends when the product reaches the desired level in the receptacle 3.
  • the gas exiting the bottle during filling can expand during the filling operation, so that turbulence and formation of vortices are attenuated; this allows to fill the receptacle 3 at high speed with a reduced formation of foam.
  • the shutter 13 is moved to its initial lowered closed position ( Figure 5 ) and the valve 37 of the exhaust circuit 36 is closed.
  • the next step is the decompression of the receptacle 3, which is achieved by opening the valve 47 and therefore connecting the receptacle 3 itself with decompression circuit 46.
  • the pressurization and decompression steps are not performed.
  • the actual filling may occur without bringing the receptacle 3 into contact with the gasket 20 of the tubular body 11.
  • the gas exiting the bottle during filling can expand during the filling operation, so that turbulence and formation of vortices are quite limited; this allows to fill the receptacle 3 at high speed with a reduced formation of foam.
  • conduits 35, 40 for discharging the gas present in the receptacle 3 during filling thereof and for pressurizing the receptacle 3 before filling avoids any risk that possible residues of product present in the bottom terminal part of the exhaust conduit 35 at the end of filling may fall in the next receptacle 3 during the following pressurizing step. And even if such residues are present at the terminal part of the exhaust conduit 35, which can be caused by small quantities of foam in the gas exiting the bottle during filling, any such residues or foam fall into the enlarged-section portion 50 and not into underlying bottle.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)

Claims (10)

  1. Füllvorrichtung (1) für eine Füllmaschine (2), die geeignet ist, Aufnahmebehälter (3) mit einem fließfähigen Produkt zu befüllen, wobei die Füllvorrichtung (1) Folgendes umfasst:
    - einen röhrenförmigen Körper (11), der eine Längsachse (B) aufweist und einen zentralen Fließkanal (12) für das fließfähige Produkt festlegt und an einem unteren Ende (17) mit einer axialen Auslassöffnung (18) endet, die geeignet ist, das fließfähige Produkt zu einem zu befüllenden Aufnahmebehälter (3) zu fördern, wobei der Kanal (12) einen einen sich verjüngenden Querschnitt aufweisenden Abschnitt (23) umfasst, der sich in einem gegebenen axialen Abstand von der Auslassöffnung (18) und über derselben befindet und sich in Richtung zu der Auslassöffnung (18) bis zu einem einen verengten Querschnitt aufweisenden Bereich (23a) verjüngt,
    - eine Verschlussvorrichtung (13), die in dem Kanal (12) zwischen einer unteren geschlossenen Stellung, in der die Verschlussvorrichtung (13) den einen sich verjüngenden Querschnitt aufweisenden Abschnitt (23) des Kanals (12) auf dichtende Weise verschließt und das Fließen das fließfähigen Produkts zu der Auslassöffnung (18) unterbricht, und einer oberen geöffneten Stellung, in der die Verschlussvorrichtung (13) mit dem einen sich verjüngenden Querschnitt aufweisenden Abschnitt (23) einen in Verbindung mit der Auslassöffnung (18) stehenden ringförmigen Durchlass (29) begrenzt, bewegbar ist, und
    - wenigstens einen Auslasskanal (35), der in dem röhrenförmigen Körper (11) ausgebildet und auf einer Seite des Kanals (12) und an einem Außenumfang (C) um den Kanal (12) und die Längsachse (B) angeordnet ist,
    wobei der Kanal (12) außerdem einen einen vergrößerten Querschnitt aufweisenden Abschnitt (50) umfasst, der sich unmittelbar unter dem einen sich verjüngenden Querschnitt aufweisenden Abschnitt (23) befindet und einen größeren Durchmesser als der einen verengten Querschnitt aufweisende Bereich (23a) aufweist, dadurch gekennzeichnet, dass der einen vergrößerten Querschnitt aufweisende Abschnitt (50) eine Dehnkammer (51) festlegt, die auch eine am unteren Ende gelegene Öffnung des Auslasskanals (35) aufnimmt, und wobei der Kanal (12) ferner einen einen reduzierten Querschnitt aufweisenden Endabschnitt (55) umfasst, der den einen vergrößerten Querschnitt aufweisenden Abschnitt (50) mit der Auslassöffnung (18) verbindet und einen kleineren Durchmesser als der einen vergrößerten Querschnitt aufweisende Abschnitt (50) aufweist.
  2. Füllvorrichtung nach Anspruch 1, wobei sich die Dehnkammer (51) von der Längsachse (B) wenigstens bis zu dem Umfang (C) erstreckt, an dem sich der Auslasskanal (35) befindet.
  3. Füllvorrichtung nach Anspruch 1 oder 2, wobei der Durchmesser des einen vergrößerten Querschnitt aufweisenden Abschnitts (50) des Kanals (12) entlang der gesamten axialen Höhe des einen vergrößerten Querschnitt aufweisenden Abschnitts (50) selbst konstant ist.
  4. Füllvorrichtung nach Anspruch 1, wobei sich der Durchmesser des einen reduzierten Querschnitt aufweisenden Abschnitts (55) des Kanals (12) in Richtung zu der Auslassöffnung (18) verringert.
  5. Füllvorrichtung nach einem der vorhergehenden Ansprüche, ferner umfassend wenigstens einen Druckbeaufschlagungskanal (40), um den zu befüllenden Aufnahmebehälter (3) mit einem den atmosphärischen Druck übersteigenden Druck zu beaufschlagen, wobei der Druckbeaufschlagungskanal (40) in dem röhrenförmigen Körper (11) ausgebildet ist, sich von dem Auslasskanal (35) unterscheidet und auf einer Seite des Kanals (12) sowie an einem Außenumfang (C) um den Kanal (12) und die Längsachse (B) angeordnet ist, wobei der einen vergrößerten Querschnitt aufweisende Abschnitt (50) auch eine am unteren Ende gelegene Öffnung des Druckbeaufschlagungskanals (40) aufnimmt.
  6. Füllvorrichtung nach Anspruch 5, wobei sowohl der Auslass- als auch der Druckbeaufschlagungskanal (35, 40) an dem gleichen Umfang (C) um den Kanal (12) und die Längsachse (B) angeordnet sind.
  7. Füllvorrichtung nach Anspruch 5 oder 6, ferner umfassend wenigstens einen Druckverminderungskanal (45), um den Druck in dem befüllten Aufnahmebehälter (3) am Ende des Füllvorgangs zu vermindern, wobei der Druckverminderungskanal (45) in dem röhrenförmigen Körper (11) ausgebildet ist, sich von dem Auslasskanal (35) und dem Druckbeaufschlagungskanal (40) unterscheidet und auf einer Seite des Kanals (12) sowie an einem Außenumfang (C) um den Kanal (12) und die Längsachse (B) angeordnet ist, wobei der einen vergrößerten Querschnitt aufweisende Abschnitt (50) auch eine am unteren Ende gelegene Öffnung des Druckverminderungskanals (45) aufnimmt.
  8. Füllvorrichtung nach Anspruch 7, wobei der Auslass-, der Druckbeaufschlagungs- und der Druckverminderungskanal (35, 40, 45) an dem gleichen Umfang (C) um den Kanal (12) und die Längsachse (B) angeordnet sind.
  9. Füllvorrichtung nach einem der vorhergehenden Ansprüche, ferner umfassend ein Tragmittel (10), das dazu ausgelegt ist, den Aufnahmebehälter (3) aufzunehmen und zu halten sowie ihn zu dem unteren Ende (17) des röhrenförmigen Körpers (11) hin und von demselben weg zu bewegen.
  10. Füllvorrichtung nach einem der vorhergehenden Ansprüche, ferner umfassend ein erstes magnetisches Mittel (30), das von der Verschlussvorrichtung (13) getragen ist, und ein zweites magnetisches Mittel (31), das außerhalb des röhrenförmigen Körpers (11) angeordnet ist und magnetisch an das erste magnetische Mittel (30) gekoppelt ist und gezielt so aktiviert wird, dass es das erste magnetische Mittel (30) und die Verschlussvorrichtung (13) durch magnetische Anziehungskraft entlang der Längsachse (B) zwischen der oberen geöffneten Stellung und der unteren geschlossenen Stellung bewegt.
EP15306936.4A 2015-12-04 2015-12-04 Füllvorrichtung für eine füllmaschine Not-in-force EP3176126B1 (de)

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EP15306936.4A EP3176126B1 (de) 2015-12-04 2015-12-04 Füllvorrichtung für eine füllmaschine
JP2016199729A JP2017100805A (ja) 2015-12-04 2016-10-11 充填機用の充填装置
CN201610946940.9A CN106829836B (zh) 2015-12-04 2016-10-26 用于填充机的填充装置
US15/367,779 US10370234B2 (en) 2015-12-04 2016-12-02 Filling device for filling machine

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US10370234B2 (en) 2019-08-06
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CN106829836B (zh) 2021-04-13
CN106829836A (zh) 2017-06-13
US20170158480A1 (en) 2017-06-08

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